About

Who we are?

voip-sip.org  is a nonprofit, progressive, on-line community resource that promotes open source VoIP solutions that make possible free long distance communication. With thousands  of monthly readers around the world, we have become one of the most read progressive websites.

What we do for IT community and business?

We publish breaking news, manuals, how-to’s, tips and tricks from a progressive perspective. And the latest ideas, opinions and in-depth analysis by some of the world’s best progressive writers, thinkers and activists. We use the latest technology to bring the progressive community together online.

Our mission: inform and inspire. We are trying to ignite change for the common good

On our web site you will find information about SIP protocol basics and “how it works”, non-common SIP based VoIP usage like RoIP (Radio over IP) and other interesting ways where VoIP technology can be used. Understanding VoIP Codec – which is good and which is the best. QoS and VoIP – how to set priority for VoIP calls. SIP based open source IP-PBX SIP overview – communication center, voicemail, all-in-one for free.

Contact us

If you have some information/article and want to share, you have some questions or suggestions (including  link exchange, advertising, review, post or any other offers) please e-mail us to hello@voip-sip.org or submit an inquiry in the contact form below and we will revert back to you as soon as it possible.

Thank you!

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